354377666 has 8 divisors (see below), whose sum is σ = 537046860. Its totient is φ = 175362048.

The previous prime is 354377657. The next prime is 354377669. The reversal of 354377666 is 666773453.

It can be written as a sum of positive squares in 2 ways, for example, as 351750025 + 2627641 = 18755^2 + 1621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 354377666.

It is not an unprimeable number, because it can be changed into a prime (354377669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913151 + ... + 913538.

Almost surely, 2^354377666 is an apocalyptic number.

354377666 is a deficient number, since it is larger than the sum of its proper divisors (182669194).

354377666 is a wasteful number, since it uses less digits than its factorization.

354377666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826788.

The product of its digits is 1905120, while the sum is 47.

The square root of 354377666 is about 18824.9214075385. The cubic root of 354377666 is about 707.6558716282.

The spelling of 354377666 in words is "three hundred fifty-four million, three hundred seventy-seven thousand, six hundred sixty-six".